# Muscle Stack vs Idle Muscle

The clearest difference is update cadence: Idle Muscle at every 2 days against Muscle Stack's every 29 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Muscle Stack ships an update every 29 months, Idle Muscle every 2 days. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Muscle Stack | Idle Muscle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/idle-muscle-lifting-hero-3d/id6477182780/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 29 months | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 84 MB | 456 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Ngo Hanh](https://appshunter.io/developer/1672784583) |

## What reviewers say

### Muscle Stack

[App page](https://appshunter.io/ios/app/muscle-stack/id1604565712)

**Features:** macOS Compatibility

**In-app purchases:** none


### Idle Muscle

[App page](https://appshunter.io/ios/app/idle-muscle-lifting-hero-3d/id6477182780)

Train your hero's strength, endurance, and agility through various exercises and activities. Unlock your potential, earn gems, and compete in exciting PvP battles and boss fights. Enjoy vivid 3D graphics and motivating gameplay.

**Highlights:** Idle training mechanics, Strength, endurance, and agility exercises, PvP battles and boss fights, Vivid 3D graphics, Pet store and skin options, Booster upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Muscle Stack free?

Muscle Stack is free to download, with no in-app purchases.

### Is Idle Muscle free?

Idle Muscle is free to download, with no in-app purchases.

### Do Muscle Stack or Idle Muscle have ads?

Both Muscle Stack and Idle Muscle show ads.

### Which is updated more often, Muscle Stack or Idle Muscle?

Muscle Stack ships an update every 29 months, and Idle Muscle every 2 days. Most recently, Muscle Stack was updated on October 25, 2026 and Idle Muscle on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*